Home / 695,433.60-1,042,761.60-320,993.28

Finding the Fourth Proportional to 695,433.60, 1,042,761.60 and 320,993.28

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Solution

The fourth proportional to 695,433.60, 1,042,761.60 and 320,993.28 is: 481,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,433.60 : 1,042,761.60 = 320,993.28 : x
  2. Step 2: Convert to fraction form
    695,433.60/1,042,761.60 = 320,993.28/x
  3. Step 3: Cross multiply
    695,433.60x = 1,042,761.60 × 320,993.28
  4. Step 4: Simplify right side
    695,433.60x = 334,719,466,242.05
  5. Step 5: Solve for x
    x = 334,719,466,242.05/695,433.60
  6. Step 6: Final answer
    x = 481,310.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.